DC’s Legends Of Tomorrow will premiere on Thursday, January 21 at 8 PM, followed by the return of post-apocalyptic drama The 100 at 9 PM. The Vampire Diaries and The Originals will move from Thursdays to Fridays beginning January 29 at 8 PM and 9PM, respectively. Reign will air its winter finale the week before and will return later in the season, on a night and time not yet announced.Scheduling changes: